lib/cancan/rules_compressor.rb
# frozen_string_literal: true
require_relative 'conditions_matcher.rb'
module CanCan
class RulesCompressor
attr_reader :initial_rules, :rules_collapsed
def initialize(rules)
@initial_rules = rules
@rules_collapsed = compress(@initial_rules)
end
def compress(array)
idx = array.rindex(&:catch_all?)
return array unless idx
value = array[idx]
array[idx..-1]
.drop_while { |n| n.base_behavior == value.base_behavior }
.tap { |a| a.unshift(value) unless value.cannot_catch_all? }
end
end
end